microblaze: Added more support for PCI

In order to use an off the shelf nic, like the intel pro card,
changes are needed to support pci dma interfaces and other
small changes.

Signed-off-by: John Linn <john.linn@xilinx.com>
Signed-off-by: Michal Simek <monstr@monstr.eu>

diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index e4a7974786037023b66ba5565e5a9a38db53d282..4fbfdc1ac7f86c987fb3530fb3d76769e5b02cf6 100644 (file)
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -35,6 +35,10 @@ extern resource_size_t isa_mem_base;
 
 #define IO_SPACE_LIMIT (0xFFFFFFFF)
 
+/* the following is needed to support PCI with some drivers */
+
+#define mmiowb()
+
 static inline unsigned char __raw_readb(const volatile void __iomem *addr)
 {
        return *(volatile unsigned char __force *)addr;

diff --git a/arch/microblaze/include/asm/pci.h b/arch/microblaze/include/asm/pci.h
index a0da88bf70c575ab9000fb2d2cae86a01fd055f6..41cc841091b084e73692220324d30fd44ac0b018 100644 (file)
--- a/arch/microblaze/include/asm/pci.h
+++ b/arch/microblaze/include/asm/pci.h
@@ -22,6 +22,8 @@
 #include <asm/prom.h>
 #include <asm/pci-bridge.h>
 
+#include <asm-generic/pci-dma-compat.h>
+
 #define PCIBIOS_MIN_IO         0x1000
 #define PCIBIOS_MIN_MEM                0x10000000